Demands relative to the chemical protection clothing which the linking elements between the different parts of the clothing are watertight to liquid (type 3) or to mists (type 4), including the clothing articles protecting only a few parts of the body (type PB(3) and PB(4). This norm specifies the minimum demands asked to the different types of chemical protection clothing of limited use or of reutilization. - Clothing protecting the entire body with watertight to liquid linking between the different parts of the clothing (type 3: watertight to liquid clothing); - Clothing protecting the entire body with watertight to liquid linking.